PDF malware analysis — malicious · 5f8ea2002c32c9d2

MALICIOUS

PDF

43.1 KB Created: 2021-06-14 01:19:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 3641afad79374377fdd981b6081bfafc SHA-1: d3ebb6b85c2de1774eec0233e2130b9d1c7924ff SHA-256: 5f8ea2002c32c9d2f57cc4c771cd4ff0aecccbf11383ecd348e165b80cc14f55

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous links to external websites, many of which are structured as SEO-optimized PDF documents related to hacking Roblox. The document body also contains a direct URL to a file hosted on netcdn.co, likely a payload. The presence of multiple external links and the lure of free Robux strongly suggest a phishing or malware distribution attempt. No scripts were extracted, but the PDF structure and external links indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://netcdn.co/app/431946152/how-to-get-50k-robux-for-free-game-hack
- https://taxandmore.nl/wp-content/uploads/fsqm-files/crear-cuenta-hack-en-roblox_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-free-robux-codes-2021-wiki_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-get-speed-hack-on-roblox-jailbreak_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-hack-any-roblox-game_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/hack-menu-roblox-jailbreak_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-hack-roblox-accounts-tutorial-scripting_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/https-iosgodscom-topic-20213projectrobloxhackbeta_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/creator-of-slx-roblox-hack_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-robux-without-downloading-apps-2021_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/list-of-free-roblox-items_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-hack-ghost-simulator_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-hack-in-roblox-jai_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-prison-life-hacks-2021_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/cheat-roblox-jailbreak-glitches_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-get-free-tiktok-followers-without-human-verification_GM835599320.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-hack-mo_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-get-10k-robux-by-redeem-code-free_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-roblox-download-for-wimndows-10_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-change-roblox-username-for-free-2021_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/hacks-para-counter-blox-roblox-offensive_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004a22.bin` `cff9888253e78dc6fe83515b63a8e42385eb91cbf1f9d2f65c6f58f935715cfa`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A22	25568 bytes
`font_01_sfnt_off0000846d.bin` `c6c8e985be4e43596e244ee3ecf120b5c9c01081c4c54c1b8e1c6d10fe047376`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x846D	18760 bytes

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